diff --git a/crates/ml-features/src/mbp10_loader.rs b/crates/ml-features/src/mbp10_loader.rs
index 08273ffc4..b49decd36 100644
--- a/crates/ml-features/src/mbp10_loader.rs
+++ b/crates/ml-features/src/mbp10_loader.rs
@@ -363,22 +363,14 @@ pub fn get_snapshots_for_timestamp(
         return &[];
     }
 
-    // Find the first snapshot with timestamp >= target_ts
-    let mut start_idx = None;
-    for (i, snap) in snapshots.iter().enumerate() {
-        if snap.timestamp >= target_ts {
-            start_idx = Some(i);
-            break;
-        }
-    }
-
-    match start_idx {
-        Some(idx) => {
-            let end_idx = (idx + window_size).min(snapshots.len());
-            &snapshots[idx..end_idx]
-        }
-        None => &[], // Target timestamp is after all snapshots
+    // Binary search for the first snapshot with timestamp >= target_ts
+    // Snapshots are pre-sorted by timestamp (from DBN file ordering)
+    let idx = snapshots.partition_point(|s| s.timestamp < target_ts);
+    if idx >= snapshots.len() {
+        return &[]; // Target timestamp is after all snapshots
     }
+    let end_idx = (idx + window_size).min(snapshots.len());
+    &snapshots[idx..end_idx]
 }
 
 /// Get the most recent N snapshots ending at the given index